METHOD FOR PURIFYING STAGNANT RESERVOIR UNDER CONDITIONS OF CONTINUOUS INGRESS OF OIL PRODUCTS Russian patent published in 2017 - IPC E02B15/04 C02F1/62 C02F1/28 C02F1/463 C02F3/34 

Abstract RU 2629786 C1

FIELD: oil and gas industry.

SUBSTANCE: method is carried out using sorbent, coagulant and coarsely dispersed mineral substance. The water withdrawn from the reservoir is subsequently purified by filtration through a hydrocarbon fluid layer, sorption in a carbon-containing fibrous material, filtration in a geochemical barrier filled with mineral granular material, where electrochemical current sources generating the coagulant are disposed. Purified water is returned to the reservoir, where the mixing of purified and untreated water is limited. At the same time, interception of ground water-oil emulsions entering the reservoir and their purification by liquid filtration in hydrocarbon fluid layer with afterpurification together with water extracted from the reservoir are performed. The extracted bottom sediments are composted together with carriers of microorganisms, structurants and biogenic elements.

EFFECT: improved efficiency of water and reservoir bottom sediments purification.

1 dwg, 4 ex, 4 tbl

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RU 2 629 786 C1

Authors

Nazarov Vladimir Dmitrievich

Nazarov Maksim Vladimirovich

Galinurov Ildus Rafikovich

Razumov Vladimir Yurevich

Garaev Ilshat Faritovich

Akhmetov Timur Olegovich

Dates

2017-09-04Published

2016-08-03Filed